Shipping. National security. Fisheries. Weather forecasts. Our ocean affects them all – and now, we’re about to build on decades of knowledge. The Sentinel-6B satellite will continue a global record of ocean observations that began in 1992. It will measure sea levels for about 90% of Earth’s ocean, helping improve weather forecasts, protect coastal communities, and keep ships safe at sea. The Copernicus EU Sentinel-6/Jason-CS mission is an international collaboration with our partners: NOAA Nati